40384416767 has 4 divisors (see below), whose sum is σ = 40595853696. Its totient is φ = 40172979840.

The previous prime is 40384416739. The next prime is 40384416773. The reversal of 40384416767 is 76761448304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40384416767 - 2⁶ = 40384416703 is a prime.

It is a super-2 number, since 2×40384416767² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40384416707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105718178 + ... + 105718559.

It is an arithmetic number, because the mean of its divisors is an integer number (10148963424).

Almost surely, 2^40384416767 is an apocalyptic number.

40384416767 is a deficient number, since it is larger than the sum of its proper divisors (211436929).

40384416767 is a wasteful number, since it uses less digits than its factorization.

40384416767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211436928.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 40384416767 in words is "forty billion, three hundred eighty-four million, four hundred sixteen thousand, seven hundred sixty-seven".